Progress Event

In This Topic

Occurs when a SQL statement within script has successfully executed.

Syntax

Visual Basic
C#

'Declaration
 
Public Event Progress As ScriptProgressEventHandler

public event ScriptProgressEventHandler Progress

Event Data

The event handler receives an argument of type ScriptProgressEventArgs containing data related to this event. The following ScriptProgressEventArgs properties provide information specific to this event.

Property	Description
Length	Gets length of the statement in symbols.
LineNumber	Gets number of line in the whole script where the statement can be located.
LinePosition	Gets position of the statement in its line.
Offset	Gets offset of the statement in the whole script text.
StatementType	Gets type of the statement that is executed.
Text	Gets SQL statement that has been executed.

Remarks

This event can be generated by Execute and ExecuteNext methods in case of successfull execution of a statement in a script.

If you want to stop script execution from the event handler, you can raise an exception.

Example

This sample demonstrates how to execute script and retrieve information about execution flow using Progress and Error events.

csharp

[STAThread]
static void Main(string[] args)
{
string script =

  "INSERT INTO DEPT VALUES (10,'ACCOUNTING','NEW YORK');"+
  "INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');"+
  "INSERT INTO DEPT VALUES (30,'SALES','CHICAGO');"+
  "INSERT INTO DEPT VALUES (40,'OPERATIONS','BOSTON');"+
  "SELECT * FROM DEPT";
      DB2Connection db2Conn = new DB2Connection(
          "user id=db2admin;server=db2;database=SAMPLE;");
      DB2Script db2Script = new DB2Script(script,db2Conn);
      db2Script.Progress += new Devart.Common.ScriptProgressEventHandler(OnProgress);
      db2Script.Error += new Devart.Common.ScriptErrorEventHandler(OnError);
      db2Conn.Open();
      db2Script.Execute();
      db2Conn.Close();
    }

static void OnProgress(object sender, Devart.Common.ScriptProgressEventArgs e)
{
  Console.WriteLine(e.Text);
  Console.WriteLine("  Successfully executed.");
}

static void OnError(object sender, Devart.Common.ScriptErrorEventArgs e)
{
  e.Ignore = true;
  Console.WriteLine(e.Text);
  Console.WriteLine("  Failed.");
}

Visual Basic

Module Module1

  Friend WithEvents db2Script As Devart.Data.DB2.DB2Script

  Sub Main()
    Dim script As String = _

  "INSERT INTO DEPT VALUES (10,'ACCOUNTING','NEW YORK');" & _
  "INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');" & _
  "INSERT INTO DEPT VALUES (30,'SALES','CHICAGO');" & _
  "INSERT INTO DEPT VALUES (40,'OPERATIONS','BOSTON');" & _
  "SELECT * FROM DEPT"
    Dim db2Conn As DB2Connection = New DB2Connection( _
        "user id=db2admin;server=db2;database=SAMPLE;")
    db2Script = New DB2Script(script, db2Conn)
    db2Conn.Open()
    db2Script.Execute()
    db2Conn.Close()
    Console.ReadLine()
  End Sub

  Sub OnProgress(ByVal sender As Object, ByVal e As Devart.Common.ScriptProgressEventArgs) Handles db2Script.Progress
    Console.WriteLine(e.Text)
    Console.WriteLine("  Successfully executed.")
  End Sub

  Sub OnError(ByVal sender As Object, ByVal e As Devart.Common.ScriptErrorEventArgs) Handles db2Script.Error
    e.Ignore = True
    Console.WriteLine(e.Text)
    Console.WriteLine("  Failed.")
  End Sub

End Module

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DbScript Class
DbScript Members
Error Event
Execute Method
ExecuteNext Method

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